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authorYan, Zheng <zyan@redhat.com>2017-07-26 12:07:51 +0800
committerIlya Dryomov <idryomov@gmail.com>2017-09-06 19:56:45 +0200
commit8d45b911a9f106ec898ec531d5badba5df7c2748 (patch)
tree17456cbf95c9841d0b37224798d2cdd3296f21d5 /fs/ceph
parent9a86962b35be06c8908028975e2261e4df0f79fd (diff)
ceph: don't fill readdir cache for LSSNAP reply
Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/inode.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 2c5db3686173..4c34e08e2d4f 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1516,15 +1516,18 @@ int ceph_readdir_prepopulate(struct ceph_mds_request *req,
rinfo->dir_nr, parent);
if (rinfo->dir_dir)
ceph_fill_dirfrag(d_inode(parent), rinfo->dir_dir);
- }
- if (ceph_frag_is_leftmost(frag) && req->r_readdir_offset == 2 &&
- !(rinfo->hash_order && last_hash)) {
- /* note dir version at start of readdir so we can tell
- * if any dentries get dropped */
- req->r_dir_release_cnt = atomic64_read(&ci->i_release_count);
- req->r_dir_ordered_cnt = atomic64_read(&ci->i_ordered_count);
- req->r_readdir_cache_idx = 0;
+ if (ceph_frag_is_leftmost(frag) &&
+ req->r_readdir_offset == 2 &&
+ !(rinfo->hash_order && last_hash)) {
+ /* note dir version at start of readdir so we can
+ * tell if any dentries get dropped */
+ req->r_dir_release_cnt =
+ atomic64_read(&ci->i_release_count);
+ req->r_dir_ordered_cnt =
+ atomic64_read(&ci->i_ordered_count);
+ req->r_readdir_cache_idx = 0;
+ }
}
cache_ctl.index = req->r_readdir_cache_idx;